nyone who has ever taken an economics class has heard the phrase, “There’s no such thing as a free lunch.” It means that everything has a cost, even if that cost is not always immediately apparent. To achieve anything, you must give up something else... http://markmanson.net/hidden-costs-of-happiness

**** Very comprehensive. But wait, there's more! NAZISM: You have two cows. The State takes both and shoots you. SURREALISM: You have two giraffes. The government requires you to take harmonica lessons. A JAPANESE CORPORATION: You have two cows. You redesign them so they are one-tenth the size of an ordinary cow and produce twenty times the milk. You then create a clever cow cartoon image called a Cowkimona and market it worldwide. (Cont. below)